'    Copyright 2008 Jan Molnar <jan.molnar@abds.de>
'
'    This file is part of JCQ.

'    JCQ is free software: you can redistribute it and/or modify
'    it under the terms of the GNU General Public License as published by
'    the Free Software Foundation, either version 2 of the License, or
'    (at your option) any later version.

'    JCQ is distributed in the hope that it will be useful,
'    but WITHOUT ANY WARRANTY; without even the implied warranty of
'    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
'    GNU General Public License for more details.

'    You should have received a copy of the GNU General Public License
'    along with JCQ. If not, see <http://www.gnu.org/licenses/>.

Public Class Snac0113
    Inherits Snac

    Dim _tlvsSize As Integer

    Public Sub New()
        MyBase.New(&H1, &H13)
    End Sub

    Private _MessageOfTheDayType As MessageOfTheDayType
    Public Property MessageOfTheDayType() As MessageOfTheDayType
        Get
            Return _MessageOfTheDayType
        End Get
        Set(ByVal value As MessageOfTheDayType)
            _MessageOfTheDayType = value
        End Set
    End Property

    Private _MessageOfTheDay As New TlvMessageOfTheDay
    Public ReadOnly Property MessageOfTheDay() As TlvMessageOfTheDay
        Get
            Return _MessageOfTheDay
        End Get
    End Property

    Public Overrides Sub Deserialize(ByVal data As System.Collections.Generic.List(Of Byte))
        MyBase.Deserialize(data)

        Dim index As Integer = Snac.SizeFixPart

        _MessageOfTheDayType = DirectCast(CByte(ByteConverter.ToUInt16(data.GetRange(index, 2))), MessageOfTheDayType)
        index += 2

        Do While index + 4 <= data.Count
            Dim desc As TlvDescriptor = TlvDescriptor.GetDescriptor(index, data)

            Select Case desc.TypeId
                Case &HB
                    _MessageOfTheDay.Deserialize(data.GetRange(index, desc.TotalSize))
            End Select

            _tlvsSize += desc.TotalSize
            index += desc.TotalSize
        Loop

        SetTotalSize(index)
    End Sub

    Public Overrides Function Serialize() As System.Collections.Generic.List(Of Byte)
        Throw New NotImplementedException
    End Function

    Public Overrides Function CalculateDataSize() As Integer
        Return 2 + _tlvsSize
    End Function
End Class

Public Enum MessageOfTheDayType As Byte
    MandatoryUpgradeNeededNotice = &H1
    AdvisableUpgradeNotice = &H2
    AIMICQServiceSystemAnnouncements = &H3
    StandartNotice = &H4
    SomeNewsFromAOLService = &H6
End Enum

Public Class TlvMessageOfTheDay
    Inherits Tlv

    Public Sub New()
        MyBase.New(&HB)
    End Sub

    Private _Message As String
    Public Property Message() As String
        Get
            Return _Message
        End Get
        Set(ByVal value As String)
            _Message = value
        End Set
    End Property

    Public Overrides Function Serialize() As System.Collections.Generic.List(Of Byte)
        Dim data As List(Of Byte) = MyBase.Serialize()

        data.AddRange(ByteConverter.GetBytes(_Message))

        Return data
    End Function

    Public Overrides Sub Deserialize(ByVal data As System.Collections.Generic.List(Of Byte))
        MyBase.Deserialize(data)

        Dim index As Integer = Tlv.SizeFixPart

        _Message = ByteConverter.ToString(data.GetRange(index, DataSize))
    End Sub

    Public Overrides Function CalculateDataSize() As Integer
        Return _Message.Length
    End Function
End Class